From the NWS:
Tonight: Mostly clear, with a low around 22. Breezy, with a west wind 27 to 30 mph decreasing to between 17 and 20 mph.
Christmas Day: A slight chance of rain after noon, mixing with snow after 4pm. Increasing clouds, with a high near 38. Breezy, with a west wind 18 to 21 mph decreasing to between 10 and 13 mph. Chance of precipitation is 20%.
Monday Night: Periods of rain and snow, becoming all snow after 4am. Low around 32. Breezy, with a south wind 13 to 22 mph becoming east. Chance of precipitation is 90%.
Tuesday: Periods of snow before 11am, then periods of rain between 11am and noon, then periods of snow after noon. High near 33. Breezy, with a east wind 27 to 30 mph decreasing to between 8 and 11 mph. Chance of precipitation is 80%.